This virus activates on Thursday the 12th, popping up a window with a warning that the next day is Friday the 13th. It pretends to be an anti-virus program, called VirCheck V1.2
The virus avoids infecting programs with names containing the following patterns:
SCAN (McAfee's SCAN) CLEAN (McAfee's CLEAN) VIR (Various anti-virus programs) ARJ The ARJ compression program FLU FLUSHOT+ from Ross Greenberg COMMAND COMMAND.COM
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.